Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	SULF1
Human P-Site:	S520
P-Site Sequence:	ASRSQRKSQRQFLRN
UniProt:	Q8IWU6
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SULF1	Q8IWU6	S520	ASRSQRKSQRQFLRN	100 / 9 AA	101
Phosphosite 1:	MXI1	P50539	S126	LEEAERKSQHQLENL	55 / 9 AA	26
Phosphosite 2:	SAMD4B	Q5PRF9	T572	GMGVARRTQRQFPMP	71 / 7 AA	75
Phosphosite 3:	WHSC1	O96028	S258	KLKGQKKSARQYHVQ	55 / 9 AA	152
Phosphosite 4:	GABRR1	P24046	S440	RSSPQRKSQRSSYVS	85 / 7 AA	56
Phosphosite 5:	LUZP1	Q86V48	S740	TNGAGVKSQRPFSPR	83 / 6 AA	120
Phosphosite 6:	SETDB1	Q15047	T1197	SAPVRKNTRQFYDGE	71 / 7 AA	143
Phosphosite 7:	EP400	Q96L91	S568	QLAGQRQSQQQYDPS	55 / 9 AA	344
Phosphosite 8:	ATP6V0A4	Q9HBG4	S669	LRASHRKSQLQASRI	75 / 8 AA	96
Phosphosite 9:	FAM21A	Q641Q2	T684	AKDSQKKTQRVSLLF	71 / 7 AA	147
Phosphosite 10:	FAM21B	Q5SNT6	T596	AKDSQKKTQRVSLLF	71 / 7 AA	137
Phosphosite 11:	UBE2Q2	Q8WVN8	T189	ILEKIRKTQRQDHLN	83 / 6 AA	43
Phosphosite 12:	calsequestrin 1	P31415	S75	PPEDDKASQRQFEME	100 / 5 AA	44
Phosphosite 13:	PIGM	Q9H3S5	S203	PDRDNDKSLRQFRYT	83 / 6 AA	49
Phosphosite 14:	FAM81B	Q96LP2	S18	SSEKRKKSQRLFFKN	71 / 7 AA	48
Phosphosite 15:	THBS2	P35442	S109	ALEGPGLSQRQFEIV	100 / 5 AA	130
Phosphosite 16:	ZNF592	Q92610	S529	KSSVQRRSQPQLTQM	62 / 8 AA	138
Phosphosite 17:	ZNF536	O15090	S968	GKSSQRKSEKSQYEP	71 / 7 AA	141
Phosphosite 18:	ARL14	Q8N4G2	S100	DKQRLEESQRQFEHI	100 / 5 AA	22
Phosphosite 19:	RIMBP3	Q9UFD9	S438	LDRLQRESQREVLRL	71 / 7 AA	170
Phosphosite 20:	RIMBP3B	A6NNM3	S438	LDRLQRESQREVLRL	71 / 7 AA	170